General Question

rovdog's avatar

Does the type of encryption you use on your network affect the speed of your connection?

Asked by rovdog (842 points ) December 31st, 2010

I’ve noticed performance differences in switching the type of encryption- is this just anecdotal- or do different standards lead to different performance? If so, what is the best performance-wise and the worst?

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1 Answer

IchtheosaurusRex's avatar

WPA has more overhead than WEP. It employs a 128-bit rotating key vs. 40 bits, adding more bits to each packet. That reduces payload bandwidth somewhat, so you’re not seeing things. The best bet for performance is to have an unsecured network, which you probably don’t want to have if you live within 300 feet of anyone else or a roadway.

If it’s a concern for you, you might upgrade to 802.11n, which has higher throughput overall.

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